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WO2014129732A1 - Transducteur d'ultrasons focalisés en ligne et générateur d'ultrasons focalisés en ligne de haute intensité comprenant celui-ci - Google Patents

Transducteur d'ultrasons focalisés en ligne et générateur d'ultrasons focalisés en ligne de haute intensité comprenant celui-ci Download PDF

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Publication number
WO2014129732A1
WO2014129732A1 PCT/KR2013/011279 KR2013011279W WO2014129732A1 WO 2014129732 A1 WO2014129732 A1 WO 2014129732A1 KR 2013011279 W KR2013011279 W KR 2013011279W WO 2014129732 A1 WO2014129732 A1 WO 2014129732A1
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WO
WIPO (PCT)
Prior art keywords
focused ultrasound
housing
ultrasound transducer
high intensity
handle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2013/011279
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English (en)
Korean (ko)
Inventor
조성찬
최민주
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KORUST CO LTD
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KORUST CO LTD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KORUST CO LTD filed Critical KORUST CO LTD
Priority to US14/770,022 priority Critical patent/US10363440B2/en
Priority to CN201380075605.0A priority patent/CN105228699A/zh
Publication of WO2014129732A1 publication Critical patent/WO2014129732A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00—Ultrasound therapy
    • A61N7/02—Localised ultrasound hyperthermia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00—Ultrasound therapy
    • A61N2007/0056—Beam shaping elements
    • A61N2007/0065—Concave transducers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00—Ultrasound therapy
    • A61N2007/0086—Beam steering
    • A61N2007/0091—Beam steering with moving parts, e.g. transducers, lenses, reflectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52079—Constructional features

Definitions

  • the present invention relates to a focused ultrasound transducer used in medical devices and the like and a high intensity focused ultrasound generator including the same.
  • Focused ultrasound therapy techniques for focusing ultrasound and using high intensity focused ultrasound to treat a patient's affected area or for skin beauty are known. This focused ultrasound therapy is performed by a high intensity focused ultrasound generator using a focused ultrasound transducer that focuses the ultrasound to produce a high intensity focused ultrasound.
  • the high intensity focused ultrasound generator includes a housing and an ultrasonic transducer fixed inside the housing.
  • the ultrasonic transducer may be configured by forming a piezoelectric vibrator including a hemispherical piezoelectric element and first and second electrodes respectively formed on both surfaces of the piezoelectric element, and applied to the first and second electrodes. Converts electrical signals to ultrasound
  • ultrasonic waves When ultrasonic waves are generated using a hemispherical piezoelectric element, the ultrasonic waves are focused at one point at the treatment position. In this way, focused ultrasound has been used in recent years to treat cancer, as well as to improve skin wrinkles and lipolysis.
  • ultrasound focused at one point is not a problem when applied to a small treatment area, but when used in a large area of treatment, it takes a long time to process because it forms a thermophilic recession at one point at a time. There is a problem, and the tissue between the points where the ultrasound is focused has a problem that thermal degeneration does not occur.
  • the existing high-intensity focused ultrasound generator has a technical configuration in which the ultrasonic transducer is fixed to the inside of the housing, and in order to treat a plurality of affected parts or long affected parts, the user manually handles the entire ultrasonic concentrator. There is discomfort to move and treat the affected area.
  • the technical problem of the present invention is to focus the ultrasound in the form of a line instead of a single point to reduce the procedure time, maximize the treatment effect and to simplify the configuration of the focused ultrasound transducer and high intensity focused ultrasound including the same It is to provide a generator.
  • Another technical problem of the present invention is to provide a high intensity focused ultrasound generator that can automatically move the focused ultrasound transducer in the housing.
  • the focused ultrasound transducer according to an embodiment of the present invention, a focused ultrasound transducer that is focused in the form of a line, a semi-cylindrical therapeutic piezoelectric element; A first electrode part provided on an inner surface of the therapeutic piezoelectric element; And a second electrode part provided on an outer surface of the therapeutic piezoelectric element and provided to correspond to the first electrode part.
  • the focused ultrasound transducer according to the embodiment of the present invention may further include an opening formed in the center of the therapeutic piezoelectric element.
  • the opening may include a plurality of openings formed at intervals along the longitudinal direction of the therapeutic piezoelectric element, and a piezoelectric element for image acquisition may be embedded in each of the plurality of openings.
  • the opening may include one opening that is formed to extend in the longitudinal direction of the therapeutic piezoelectric element, and the one opening may be filled with a piezoelectric element for image acquisition.
  • the one opening may have a rectangular shape or a circular shape.
  • Each of the first and second electrode parts may include a plurality of electrodes.
  • the plurality of electrodes may be electrically insulated, but disposed at intervals along a length direction of the therapeutic piezoelectric element.
  • the plurality of electrodes may be electrically insulated, but spaced along the arc direction of the therapeutic piezoelectric element.
  • the focused ultrasound transducer according to another embodiment of the present invention, a focused ultrasound transducer that is focused in the form of a line, a plurality of therapeutic piezoelectric elements disposed in the longitudinal direction with a hollow semi-cylindrical shape; First electrode parts provided on respective inner surfaces of the plurality of therapeutic piezoelectric elements; And a second electrode part provided on each outer surface of the plurality of therapeutic piezoelectric elements.
  • the focused ultrasound transducer is a focused ultrasound transducer that is focused in a linear form, arranged in a hollow semi-cylindrical shape spaced apart in the arc direction for a plurality of treatments Piezoelectric elements; First electrode parts provided on respective inner surfaces of the plurality of therapeutic piezoelectric elements; And a second electrode part provided on each outer surface of the plurality of therapeutic piezoelectric elements.
  • the high-intensity focused ultrasound generating apparatus is focused in a linear form, the housing is filled with the ultrasonic delivery medium;
  • a preconcentrated ultrasound transducer according to the above-described embodiments of the present invention which is provided to be movable inside the housing;
  • a driving unit for moving the focused ultrasound transducer.
  • the high-intensity focused ultrasound generating device may further include a handle detachably provided to the housing.
  • the drive unit may be provided inside the handle.
  • the high-intensity focused ultrasound generator according to the embodiment of the present invention described above may further include a linear guide for guiding the linear movement of the focused ultrasound transducer.
  • the straight guide portion, the guide rod is provided in the longitudinal direction of the housing on the inner surface of the housing; And a support having a guide hole into which the focused ultrasound transducer slides along the guide rod and the guide rod is inserted.
  • the high-intensity focused ultrasound generating device may further include a first cooling unit provided in the housing to cool heat inside the housing.
  • the first cooling unit may include one or more thermal conductors having one end provided inside the housing and the other end provided outside the housing; And a heat sink provided in the one or more thermal conductors to radiate heat transferred through the thermal conductors to the outside.
  • the high intensity focused ultrasound generator according to the embodiment of the present invention described above may further include a first position detector configured to detect the position of the focused ultrasound transducer.
  • the first position detector may include a magnetic material provided in the focused ultrasound transducer; And a magnetic sensor provided in the housing so as to correspond to the magnetic material and detecting a position of the magnetic material.
  • the high-intensity focused ultrasound generating device comprises: a slider having one end provided at the focused ultrasound transducer and the other end detachably provided at the driving unit; And a second position detector configured to detect a position of the focused ultrasound transducer.
  • the second position detection unit may include: a first position hole formed at a portion of the other end of the slider that is located inside the handle on the basis of the initial state in which the slider is completely pulled by the driving unit; And a proximity sensor provided in the handle so as to correspond to the first location hole and detecting the first location hole.
  • a second position hole may be further formed at a portion of the other end of the slider that is positioned inside the handle so as to be detected by the proximity sensor.
  • In and out of the housing and the handle may be formed with a draw-out hole for drawing out the slider, and through the pull-out may be further provided with a sealing portion to prevent the ultrasonic transmission medium in the housing from leaking to the handle. .
  • the sealing part may be formed of a stretchable bellows-shaped sealing member which surrounds the slider and has one end provided in the lead-out hole and the other end provided in the focused ultrasound transducer.
  • the high intensity focused ultrasound generating apparatus comprises: a first opening formed on a surface of the housing to which the focused ultrasound of the focused ultrasound transducer is directed; A treatment window that closes the first opening and passes the focused ultrasound; And an adhesive member attaching the treatment window to the first opening.
  • the adhesive member may be a double-sided tape.
  • the high intensity focused ultrasound generator according to the embodiment of the present invention described above may further include a temperature detector provided in the housing to detect an internal temperature of the housing.
  • the temperature detection unit the temperature sensing rod provided in the housing; And a temperature sensor provided outside the housing and connected to the temperature sensing rod to detect a temperature of the temperature sensing rod.
  • the above-described driving unit includes: a first driving unit provided outside the housing to move the pre-focused ultrasonic transducer in the front-rear direction; And it may include a support bracket for fixing the first drive unit to the outside of the housing.
  • the first driving unit may include a first linear motor provided outside the housing; And a moving bar which is moved in the front-rear direction by the first linear motor and detachably provided with the pre-focus ultrasound transducer at a distal end thereof.
  • the high-intensity focused ultrasound generating apparatus may further include a detachable unit configured to detachably attach the focused ultrasound transducer to the drive unit.
  • the detachable unit may include a first magnet provided in the focused ultrasound transducer; And a second magnet provided in the driving unit to correspond to the first magnet and having a attraction force applied to the first magnet.
  • the high intensity focused ultrasound generating apparatus includes: a second opening formed in the focused ultrasound transducer; And an ultrasound transducer for acquiring an image provided in the housing or the handle to acquire an image through the second opening.
  • the ultrasonic transducer for image acquisition is provided in the handle, and can be removed together when the handle is removed from the housing.
  • the high-intensity focused ultrasound generating device may further include a laser oscillator provided at the handle to oscillate the laser for positioning at the treatment position.
  • the high-intensity focused ultrasound generating device may further include a second cooling unit provided at a portion of the handle in contact with the housing to cool the heat of the housing.
  • the second cooling unit may include a heat transfer plate provided on the handle and in contact with the housing; And a heat exchanger in contact with the heat transfer plate and exchanging heat of the heat transfer plate through circulation of internal cooling water.
  • thermoelectric element may be further provided between the heat transfer plate and the heat exchanger.
  • the second cooling unit the heat transfer plate which is provided to be moved up and down on the handle; And it may include an elastic body provided between the heat transfer plate and the handle so that the heat transfer plate is in close contact with the housing.
  • the above-described driving unit may include: a rotation shaft provided with the focused ultrasound transducer and placed in the housing in left and right directions to form a rotation center of the focused ultrasound transducer; And a third driving unit provided outside the housing and configured to apply rotational force to the pre-focused ultrasound transducer based on the rotation axis.
  • the third driving unit may include a second rotary motor provided outside the housing; A first pulley axially coupled to the second rotary motor; A second pulley axially coupled to the rotating shaft; And a connecting belt connecting the first and second pulleys.
  • the third driving unit may include a third rotary motor provided outside the housing and axially coupled to the rotating shaft; And a support bearing provided in the housing to rotatably support the motor shaft of the third rotary motor.
  • the third driving unit may include a fourth rotary motor provided outside the housing; A first pressing protrusion provided on the rotating shaft; And a power transmission member having one end rotatably provided at the distal end of the first pressing protrusion and the other end coupled to the fourth rotating motor to transmit the rotational force of the fourth rotating motor to the rotating shaft together with the first pressing protrusion. can do.
  • the third driving unit may include a second linear motor provided outside the housing; A moving bar moved forward and backward by the second linear motor; And a second pressing protrusion having one end provided at the rotation shaft and the other end rotatably provided at the moving bar.
  • the third driving unit may include a hinge pin rotatably providing the moving bar to the second pressing protrusion; And a hinge hole formed at an end of the second pressing protrusion and into which the hinge pin is inserted, and the moving bar is smoothly moved while the other end of the second pressing protrusion is moved in an arc with respect to the rotation axis.
  • the hinge hole may be formed long in the longitudinal direction of the second pressing protrusion so as to move in the front-rear direction.
  • the ultrasonic wave is focused in the form of a line as it includes a hollow semi-cylindrical therapeutic piezoelectric element, thereby reducing the procedure time, maximizing the treatment effect, and simplifying the configuration, compared to the conventional focused point. have.
  • the ultrasonic transducer is automatically moved in the housing by the drive unit, so that the user only needs to place the housing at a point on the target site (for example, the affected part) without the user manually moving the housing.
  • the focus of the ultrasound transducer is automatically moved to a plurality of targets or long targets, thereby providing convenience of use.
  • FIG. 1 is a perspective view schematically showing a focused ultrasound transducer according to a first embodiment of the present invention.
  • FIG. 2 is a cross-sectional view of the focused ultrasound transducer of FIG. 1;
  • FIG. 3 is a schematic view of a focused ultrasound transducer according to a second embodiment of the present invention, where (a) is a plan view and (b) is a sectional view.
  • FIG. 4 is a schematic view of a focused ultrasound transducer according to a third embodiment of the present invention, where (a) is a plan view and (b) is a sectional view.
  • FIG. 5 is a schematic view of a focused ultrasound transducer according to a fourth embodiment of the present invention, where (a) is a plan view, (b) is a sectional view, and (c) is a sectional view taken along the line V-V of (b).
  • FIG. 6 is a schematic view of a focused ultrasound transducer according to a fifth embodiment of the present invention, where (a) is a plan view and (b) is a sectional view.
  • FIG. 7 is a schematic view of a focused ultrasound transducer according to a sixth embodiment of the present invention, (a) is a plan view, (b) is a sectional view, and (c) is a sectional view taken along the line VII-VII of (b) to be.
  • FIG. 8 is a schematic view of a focused ultrasound transducer according to a seventh embodiment of the present invention, where (a) is a plan view and (b) is a sectional view.
  • FIG. 9 is a schematic view of the high-intensity focused ultrasound generating apparatus according to the first embodiment of the present invention, where (a) is a longitudinal cross-sectional view from the front and (b) is a longitudinal cross-sectional view from the side.
  • FIG. 10 is an enlarged cross-sectional view of the housing and the components provided therein among the high intensity focused ultrasound generators of FIG. 9; FIG.
  • FIG. 11 is a schematic cross-sectional view of a high intensity focused ultrasound generating apparatus according to a second embodiment of the present invention.
  • FIG. 12 is a schematic cross-sectional view of a high intensity focused ultrasound generator according to a third embodiment of the present invention.
  • FIG. 13 is a schematic cross-sectional view of a high intensity focused ultrasound generating apparatus according to a fourth embodiment of the present invention.
  • FIG. 14 is a schematic cross-sectional view of a high intensity focused ultrasound generating apparatus according to a fifth embodiment of the present invention.
  • FIG. 15 is a schematic cross-sectional view of a high intensity focused ultrasound generating apparatus according to a sixth embodiment of the present invention.
  • FIG. 16 is a schematic view of a high intensity focused ultrasound generating apparatus according to a seventh embodiment of the present invention, where (a) is a sectional view and (b) is a sectional view of a handle separated from the housing.
  • FIG. 17 schematically illustrates a focused ultrasound transducer of the high intensity focused ultrasound generator of FIG. 16, wherein (a) is a plan view and (b) is a sectional view.
  • FIG. 18 is a schematic view of a high intensity focused ultrasound generating apparatus according to an eighth embodiment of the present invention, where (a) is a longitudinal cross-sectional view from the front and (b) is a longitudinal cross-sectional view from the side.
  • FIG. 19 is a schematic view of a handle of a high intensity focused ultrasound generating apparatus according to a ninth embodiment of the present invention, where (a) is a cross-sectional view and (b) is a conceptual diagram of a heat exchanger mounted to the handle.
  • FIG. 20 is a schematic cross-sectional view of a handle of the high intensity focused ultrasound generating apparatus according to the tenth embodiment of the present invention.
  • 21 is a schematic cross-sectional view of an apparatus for generating high intensity focused ultrasound waves according to an eleventh embodiment of the present invention.
  • FIG. 22 is a schematic view showing a high intensity focused ultrasound generator according to a twelfth embodiment of the present invention, (a) is a longitudinal cross-sectional view as seen from the side, and (b) is a longitudinal cross-sectional view as seen from the front.
  • FIG. 23 schematically shows a high intensity focused ultrasound generating apparatus according to a thirteenth embodiment of the present invention, where (a) is a longitudinal cross-sectional view as seen from the side and (b) is a longitudinal cross-sectional view as seen from the front.
  • FIG. 24 is a schematic cross-sectional view of a high intensity focused ultrasound generating apparatus according to a fourteenth embodiment of the present invention.
  • 25 is a schematic cross-sectional view of a high intensity focused ultrasound generator according to a fifteenth embodiment of the present invention.
  • FIG. 1 is a perspective view schematically showing a focused ultrasound transducer according to a first embodiment of the present invention
  • FIG. 2 is a cross-sectional view of the focused ultrasound transducer of FIG. 1.
  • the focused ultrasound transducer 110 is a focused ultrasound transducer in which ultrasound is focused in a linear form, as shown in FIGS. 1 and 2, through a support 152. It may be installed in the housing 120 of the focused ultrasound generator.
  • the housing 120 has a first opening (121 in FIG. 12) (opening part) at its tip and the treatment window (230 in FIG. 12) may be installed in the first opening (121 in FIG. 12). have. Accordingly, the ultrasound generated by the ultrasound transducer 110 is focused in a line shape to the external treatment site through the treatment window 230 through the first opening 121. Furthermore, the inside of the housing 120 may be filled with an ultrasonic delivery medium (not shown).
  • the focused ultrasound transducer 110 may be electrically connected to a pulse power generator (not shown) through a coaxial cable (not shown).
  • the focused ultrasound transducer 110 according to the first embodiment of the present invention, as shown in Figs. 1 and 2, the therapeutic piezoelectric element 111, the first electrode portion 112, and the first It includes a two electrode portion 113.
  • the focused ultrasound transducer 110 is also called a vibrator.
  • the therapeutic piezoelectric element 111 has a hollow semi-cylindrical shape as shown in FIG. 1.
  • the therapeutic piezoelectric element 111 may be formed of various materials capable of converting electrical signals into mechanical vibrations such as ceramics, composite piezoelectric materials, and single crystal quartz.
  • the therapeutic piezoelectric element 111 is a vibration frequency generated according to the thickness is determined in the embodiment of the present invention includes all the vibration frequency that can be implemented in the therapeutic piezoelectric element 111 without limiting the range of the frequency. do. It includes the full range of vibration frequencies that can be used for ultrasound therapy.
  • the size of the therapeutic piezoelectric element 111 is not limited to the size so that it can be appropriately implemented according to the size of the energy and the therapeutic use of the high-intensity focused ultrasound generator.
  • the first electrode portion 112 and the second electrode portion 113 are the inner surface of the therapeutic piezoelectric element 111 (the surface facing the inner side of the hollow semi-cylindrical shape) and the outer surface (the outer of the semi-cylindrical shape of the hollow) Each side is formed so as to be in contact with each other and the surface opposite to the surface facing the focal point.
  • the first and second electrode portions 112 and 113 may be formed of a metal such as silver having good electrical conductivity.
  • the first and second electrode parts 112 and 113 may be electrically connected to the pulse power generator (not shown) to receive the pulse current generated by the pulse power generator (not shown). That is, the first electrode part 112 is electrically connected to any one of an anode and a cathode (or a ground electrode) of an output terminal of a pulse power generator (not shown) by a first electrically conductive line (not shown), and a second The electrode unit 113 may be electrically connected to the other of the positive electrode and the negative electrode (or the ground electrode) of the output terminal of the pulse power generator (not shown) by a second electrically conductive line (not shown).
  • the pulse current generated by the pulse power generator (not shown) is applied to the first and second electrode portions 112 and 113, and the applied pulse current flows through the therapeutic piezoelectric element 111.
  • the therapeutic piezoelectric element 111 vibrates by the piezoelectric effect of the therapeutic piezoelectric element 111.
  • the therapeutic piezoelectric element 111 vibrates.
  • the vibration has the characteristics of ultrasonic waves, and generates ultrasonic waves in an ultrasonic transfer medium (not shown) surrounding the therapeutic piezoelectric element 111, which ultrasonic waves propagate through the ultrasonic transfer medium (not shown) and form a line at the treatment position. It is focused.
  • FIG. 3 is a schematic view of a focused ultrasound transducer according to a second embodiment of the present invention, where (a) is a plan view and (b) is a sectional view.
  • the pre-focused ultrasound transducer 2110 according to the second embodiment of the present invention, as shown in FIG. 3, except that the opening 2114 and the piezoelectric element 2115 for image acquisition are further provided. Since it is the same as the first embodiment of the present invention, only the opening 2114 and the piezoelectric element 2115 for image acquisition will be described below.
  • the opening 2114 may be formed at the center of the therapeutic piezoelectric element 2111. More specifically, the openings 2114 may be formed of a plurality of openings 2114a to 2114e formed at intervals along the longitudinal direction of the therapeutic piezoelectric element 2111.
  • the piezoelectric element 2115 for image acquisition may be embedded in each of the plurality of openings 2114a to 114e.
  • the treatment area may be treated using the piezoelectric element 2111 for treatment, and an image of the treatment area may be obtained using the piezoelectric element 2115 for image acquisition.
  • the therapeutic piezoelectric element 2111 and the first and second electrode portions 2112 and 2113 are slightly different from those of the first embodiment of the present invention described above by the openings 2114.
  • the reference numerals are given, their functions or roles are the same as those of the first embodiment of the present invention described above, and thus detailed description thereof is omitted.
  • FIG. 4 is a schematic view of a focused ultrasound transducer according to a third embodiment of the present invention, where (a) is a plan view and (b) is a sectional view.
  • the pre-focused ultrasound transducer 3110 has the opening described above, except that the opening 3114 and the piezoelectric element 3115 for image acquisition are further provided. Since it is the same as the first embodiment of the present invention, only the opening 3114 and the piezoelectric element 3115 for image acquisition will be described below.
  • the opening 3114 may be formed at the center of the therapeutic piezoelectric element 3111.
  • the opening 3114 may be formed of one opening 3114a extending in the longitudinal direction of the therapeutic piezoelectric element 3111.
  • one opening 3114a may have a rectangular shape as shown in FIG. 4, but may have a circular shape although not shown.
  • the piezoelectric element 3115 for image acquisition may be embedded in one opening 3114a thus formed.
  • the treatment portion may be treated using the therapeutic piezoelectric element 3111, and an image of the treatment portion may be obtained using the piezoelectric element 315 for image acquisition.
  • one opening 3114a is formed to be long, it is possible to acquire an image of a wider treatment area than in the above-described second embodiment of the present invention.
  • the therapeutic piezoelectric element 3111 and the first and second electrode portions 3112 and 3113 are slightly different from those of the first embodiment of the present invention by the openings 3114.
  • the reference numerals are given, their functions or roles are the same as those of the first embodiment of the present invention described above, and thus detailed description thereof is omitted.
  • FIG. 5 is a schematic view of a focused ultrasound transducer according to a fourth embodiment of the present invention, where (a) is a plan view, (b) is a sectional view, and (c) is a sectional view taken along the line V-V of (b).
  • the focused ultrasound transducer 4110 according to the fourth embodiment of the present invention, as shown in FIG. 5, except for the first and second electrode portions 4112 and 4113, the first embodiment of the present invention described above. Since it is the same as the embodiment, only the first and second electrode portions 4112 and 4113 will be described below. In addition, the same reference numerals are assigned to the same components as those of the first embodiment of the present invention described above.
  • the first electrode part 4112 may include a plurality of first electrodes 4112a to 4112e, and the second electrode part 4113 may correspond to the plurality of first electrodes 4113a to 4113e. 4112a ⁇ 4112e). More specifically, the plurality of first and second electrodes 4112a to 4112e and 4113a to 4113e may be electrically insulated, but may be disposed at intervals along the length direction of the therapeutic piezoelectric element 111.
  • the plurality of first and second electrodes 4112a to 4112e and 4113a to 4113e may include at least one of a plurality of first and second electrodes 4112a to 4113e through a focusing controller (not shown) to receive a pulse current generated by a pulse power generator (not shown). It may be electrically connected to a pulse power generator. Accordingly, the pulse current generated by the pulse power generator is applied to the corresponding electrode selected by the focusing control unit among the plurality of first and second electrodes 4112a to 4112e and 4113a to 4113e, and the applied pulse current is used for treatment.
  • the piezoelectric element 111 flows. When a current flows through the therapeutic piezoelectric element 111, the corresponding portion of the therapeutic piezoelectric element 111 vibrates by the piezoelectric effect of the therapeutic piezoelectric element 111.
  • the focusing control unit may turn on or off a current applied to at least one of the plurality of first and second electrodes 4112a to 4112e and 4113a to 4113e at each position of the therapeutic piezoelectric element 111.
  • the intensity of the generated ultrasonic waves can be adjusted.
  • the ultrasonic focusing region may be adjusted by selectively driving some of the first and second electrodes 4112a to 4112e and 4113a to 4113e under the control of the focusing controller.
  • FIG. 6 is a schematic view of a focused ultrasound transducer according to a fifth embodiment of the present invention, where (a) is a plan view and (b) is a sectional view.
  • the pre-focused ultrasound transducer 5110 includes the first and second electrode parts 5112 and 5113 of the present invention as described above. Since it is the same as the embodiment, only the first and second electrode portions 5112 and 5113 will be described below. In addition, the same reference numerals are assigned to the same components as those of the first embodiment of the present invention described above.
  • the first electrode part 5112 may be formed of a plurality of first electrodes 5112a to 5112h
  • the second electrode part 5113 may be formed of a plurality of second electrodes to correspond to the plurality of first electrodes 5112a to 5112h. 5113a ⁇ 5113h).
  • the plurality of first and second electrodes 5112a to 5112h and 5113a to 5113h may be electrically insulated and spaced apart along the arc direction of the therapeutic piezoelectric element 111.
  • the plurality of first and second electrodes 5112a to 5112h and 5113a to 5113h are configured to receive at least one pulse current generated by a pulse power generator (not shown) through a focusing controller (not shown). It may be electrically connected to a pulse power generator. Accordingly, the pulse current generated by the pulse power generator is applied to the corresponding electrode selected by the focusing control unit among the plurality of first and second electrodes 5112a to 5112h and 5113a to 5113h, and the applied pulse current is used for treatment.
  • the piezoelectric element 111 flows. When a current flows through the therapeutic piezoelectric element 111, the corresponding portion of the therapeutic piezoelectric element 111 vibrates by the piezoelectric effect of the therapeutic piezoelectric element 111.
  • the focusing control unit may turn on or off a current applied to at least one of the plurality of first and second electrodes 5112a to 5112h and 5113a to 5113h at each position of the therapeutic piezoelectric element 111.
  • the intensity of the generated ultrasonic waves can be adjusted.
  • the ultrasonic focusing region may be adjusted by selectively driving some of the plurality of first and second electrodes 5112a to 5112h and 5113a to 5113h.
  • FIG. 7 is a schematic view of a focused ultrasound transducer according to a sixth embodiment of the present invention, (a) is a plan view, (b) is a sectional view, and (c) is a sectional view taken along the line VII-VII of (b) to be.
  • the focused ultrasound transducer 6110 excludes the therapeutic piezoelectric element 6111 and the first and second electrode parts 6112 and 6113. Since it is the same as the first embodiment of the present invention described above, only the therapeutic piezoelectric element 6111 and the first and second electrode portions 6112 and 6113 will be described below.
  • the plurality of therapeutic piezoelectric elements 6111a to 6111e may each have a hollow semi-cylindrical shape and be spaced apart in the longitudinal direction.
  • the first electrode part 6112 may be provided on each inner surface of the plurality of therapeutic piezoelectric elements 6111a to 6111e, and the second electrode 6113 may correspond to the first electrode part 6112. It may be provided on each outer surface of the elements (6111a ⁇ 6111e).
  • the plurality of therapeutic piezoelectric elements 6111a to 6111e can be used individually or simultaneously.
  • FIG. 8 is a schematic view of a focused ultrasound transducer according to a seventh embodiment of the present invention, where (a) is a plan view and (b) is a sectional view.
  • the pre-focused ultrasound transducer 7110 excludes the therapeutic piezoelectric element 7111 and the first and second electrode parts 7112 and 7113. Since it is the same as the first embodiment of the present invention described above, only the therapeutic piezoelectric element 7111 and the first and second electrode portions 7112 and 7113 will be described below.
  • the plurality of therapeutic piezoelectric elements 7111a to 7111h may be disposed in a hollow semi-cylindrical shape and spaced in an arc direction.
  • the first electrode 7112 may be provided on each inner surface of the plurality of therapeutic piezoelectric elements 7111a to 7111h, and the second electrode 7113 may correspond to the first electrode 7112. 7111a to 7111h) may be provided on each outer surface.
  • the plurality of therapeutic piezoelectric elements 7111a to 7111h can be used individually or simultaneously as in the sixth embodiment of the present invention described above.
  • the focused ultrasound transducers 110, 2110, 3110, 4110, 5110, 6110, and 7110 may be mounted and used in the high intensity focused ultrasound generator.
  • a high intensity focused ultrasound generator including the focused ultrasound transducer will be described in detail with reference to FIGS. 9 to 25.
  • FIG. 9 is a schematic view of the high-intensity focused ultrasound generating apparatus according to the first embodiment of the present invention, where (a) is a longitudinal cross-sectional view from the front and (b) is a longitudinal cross-sectional view from the side.
  • FIG. 10 is an enlarged cross-sectional view of the housing and the components provided therein among the high intensity focused ultrasound generators of FIG. 9; FIG.
  • the high-intensity focused ultrasound generating device is a high-intensity focused ultrasound generating device that focuses in a linear form. As shown in FIGS. 9 and 10, the housing 120 and the prefocus And an ultrasonic transducer 110 and a drive unit 130.
  • the housing 120 may be filled with an ultrasonic transfer medium (not shown) therein, and may have a sealed structure to prevent the ultrasonic transfer medium from leaking.
  • the housing 120 may have a first opening part (121 of FIG. 12) at its distal end, and a treatment window (230 of FIG. 12) may be installed at the first opening part 121. Accordingly, the ultrasound generated by the focused ultrasound transducer 110 is focused in a line shape to the external treatment site through the treatment window 230 through the first opening 121.
  • the focused ultrasound transducer 110 is provided to be movable inside the housing 120, and thus the detailed description thereof will be omitted because it is the same as the description of the focused ultrasound transducer according to the embodiments of the present invention.
  • the driving unit 130 serves to move the focused ultrasound transducer 110.
  • the driving unit 130 will be described in more detail with reference to FIG. 9B.
  • the driving unit 130 is provided outside the housing 120 to move the prefocus ultrasound transducer 110 in the front-rear direction, and the first driving unit 131 to the outside of the housing 120. It may include a support bracket 132 for fixing the.
  • the first driving unit 131 is moved forward and rearward by the first linear motor 131a and the first linear motor 131a provided outside the housing 120 and is pre-focused ultrasonic transducer at the end.
  • 110 may include a moving bar 131b detachably provided.
  • the moving bar 131b is moved in the front-rear direction by the driving of the first linear motor 131a fixed to the support bracket 132, and the prefocus ultrasound transducer 110 detachably attached thereto is also moved in the front-rear direction. . During this movement, the focused ultrasound transducer 110 treats the affected area.
  • the high-intensity focused ultrasound generating apparatus according to the first embodiment of the present invention described above further includes a handle 140 detachably provided at the housing 120, as shown in FIG. It may include.
  • the driving unit 130 described above may be provided inside the handle 140. That is, the above-described first linear motor 131a may be provided inside the handle 140 through the support bracket 132 fixed to the inside of the handle 140.
  • the first linear motor 131a since the first linear motor 131a is not exposed to the outside, the appearance of the entire apparatus may be improved, and the relatively long first linear motor 131a is provided in the long handle 140, so that the handle 140 may be provided. Efficient space utilization is possible.
  • the high-intensity focused ultrasound generating apparatus according to the first embodiment of the present invention described above, as shown in Figure 9 (b) and 10, to guide the linear movement of the focused ultrasound transducer 110 It may further include a straight guide 150.
  • the linear guide part 150 may include a guide rod that is provided on the inner surface of the housing 120 in the longitudinal direction of the housing 120, and the focused ultrasound transducer 110 such that the focused ultrasound transducer slides along the guide rod. It may include a support (152) for supporting, the support 152 may be formed with a guide hole (152a) is inserted into the guide rod 151. Furthermore, the linear guide part 150 may further include a slider 153 having one end provided at the support 152 of the focused ultrasound transducer 110 and the other end detachably provided at the driving unit 130.
  • the linear guide portion 150 can continuously maintain the linear movement state without left, right, and up and down fluctuations. Precision control of the high-intensity focused ultrasound generator according to this may be possible.
  • the high-intensity focused ultrasound generating apparatus according to the first embodiment of the present invention described above, as shown in FIGS. 9 and 10, is provided in the housing 120 to cool heat inside the housing 120.
  • the first cooling unit 160 may be further included.
  • the first cooling unit 160 may include one or more thermal conductors 161 having one end provided inside the housing 120 and the other end provided outside the housing 120, and one or more thermal conductors 161. It may include a heat sink 162 provided in the) to heat dissipate heat transferred through the heat conductor 161 to the outside. More specifically, a metal plate or a heat sink may be used as the one or more thermal conductors 161. Further, although not shown, the heat sink 162 may be further provided with a cooling fan (not shown) for forced cooling.
  • a cooling fan not shown
  • heat inside the housing 120 may be transferred through the one or more thermal conductors 161 to radiate heat from the heat sink 162.
  • the high-intensity focused ultrasound generating apparatus is a first detecting the position of the focused ultrasound transducer 110, as shown in (b) and FIG.
  • the position detection unit 170 may further include.
  • the first position detector 170 may be provided in the housing 120 to correspond to the magnetic body 171 included in the focused ultrasound transducer 110 and the magnetic body 171 to adjust the position of the magnetic body 171. It may include a magnetic sensor 172 to detect. In particular, when the focused ultrasound transducer 110 is in the initial position, the magnetic body 171 and the magnetic sensor 172 may determine the initial position based on the focus of the ultrasound generated by the focused ultrasound transducer 110. In addition, the reason for using the magnetic sensor 172 is that it is possible to accurately sense (sensing) without interference from the ultrasonic transfer medium filled in the housing 120 compared to the infrared sensor.
  • the accurate movement position of the focused ultrasound transducer 110 may be detected through the movement distance of the first linear motor 131a.
  • the high-intensity focused ultrasound generating apparatus according to the first embodiment of the present invention described above, as shown in FIGS. 9B and 10, the focused ultrasound transducer through the first position detector 170.
  • the apparatus may further include a memory 180 that integrates the number of movements of the 110. Therefore, the number of movements of the focused ultrasound transducer 110 may be recorded to accurately inform the user.
  • the controller 190 may further include a control unit 190 for controlling the moving distance and the number of times of movement of the focused ultrasound transducer 110. Therefore, when the appropriate number of movements is set according to the size and extent of the affected part, the controller 190 may drive the first linear motor 131a by the number of movements based on the correct initial position through the first position detector 170. The control signal may be sent to the first linear motor 131a.
  • the above-described magnetic sensor 172, the memory 180, and the controller 190 may be mounted on the printed circuit board 210 to be electrically connected.
  • reference numeral "141" which is not described, denotes a lamp indicating an operation state
  • reference numeral "211” denotes a connector electrically connected to the socket 142 of the handle 140.
  • FIG. 11 is a schematic cross-sectional view of a high intensity focused ultrasound generating apparatus according to a second embodiment of the present invention.
  • the length of the slider 2153 is changed, and the second position detector 220 and the seal 225 are added. Since it is the same as the first embodiment of the present invention except for the above, only the length of the slider 2153, the second position detecting unit 220 and the sealing unit 225 will be described below.
  • the same components as those of the first embodiment of the present invention described above are denoted by the same reference numerals, and the components shown in FIGS. Reference is made to the description mentioned in the first embodiment of the invention.
  • the length of the slider 2153 may be set such that the other end of the slider 2153 is positioned inside the handle 140 on the basis of the initial state in which the slider 2153 is completely pulled by the drive unit 130.
  • the second position detector 220 detects the position of the focused ultrasound transducer 110 similarly to the first position detector 170 mentioned in the first embodiment of the present invention.
  • the second position detector 220 may be a portion of the other end of the slider 2153 positioned inside the handle 140 based on an initial state in which the slider 2153 is completely pulled by the drive unit 130. It may include a first position hole 221 is formed in the handle 140 to correspond to the first position hole 221, the proximity sensor 222 for detecting the first position hole 221.
  • the first position detector 170 mentioned in the first embodiment of the present invention is implemented as a magnetic sensor 172 inside the housing 120 so that the first position detector 170 may also be used in an ultrasonic delivery medium, whereas the second position detector 220 may have a difference in that the proximity sensor 222 is implemented inside the handle 140 having no ultrasonic transmission medium.
  • the second position detection unit 220 is provided inside the handle 140, there is no interference by the ultrasonic transmission medium, so that the position of the focused ultrasound transducer 110 may be more accurately detected.
  • first and second position detectors 170 and 220 may be used together to detect the position of the focused ultrasound transducer 110 more accurately.
  • the second position hole is located at a portion of the other end of the slider 2153 located inside the handle 140 so that the slider 2153 is detected by the proximity sensor 222. 223 may be further formed.
  • a draw-out hole 224 may be formed in the housing 120 and the handle 140 to draw in and out of the slider 2153, and the ultrasonic transmission medium inside the housing 120 may be formed through the draw-out hole 224.
  • a sealing part 225 may be further provided to prevent the handle 140 from leaking out.
  • the sealing part 225 includes an elastic bellows shape seal that surrounds the slider 2153 and has one end in the inlet and out hole 224 and the other end provided in the support 152 of the focused ultrasound transducer 110. It may be made of a member 225a.
  • FIG. 12 is a schematic cross-sectional view of a high intensity focused ultrasound generator according to a third embodiment of the present invention.
  • the first embodiment of the present invention described above is performed. Since it is the same as the embodiment, only the treatment window 230 and the adhesive member 240 will be described below.
  • the same components as those of the first embodiment of the present invention described above are assigned the same reference numerals, and the components of FIG. Reference is made to the description mentioned in the first embodiment of the invention.
  • the treatment window 230 blocks the first opening 121 of the housing 120 but serves to pass focused ultrasound.
  • the adhesive member 240 attaches the treatment window 230 to the first opening 121, and may be, for example, an adhesive or a double-sided tape.
  • the double-sided tape 241 is used as the adhesive member 240, assembling and sealing are completed by one adhesion, the assembly can be performed quickly.
  • FIG. 13 is a schematic cross-sectional view of a high intensity focused ultrasound generating apparatus according to a fourth embodiment of the present invention.
  • the high intensity focused ultrasound generating apparatus is the same as the first embodiment of the present invention, except that the temperature detector 250 is added, as shown in FIG. 13, Hereinafter, only the temperature detector 250 will be described.
  • the same components as those of the first embodiment of the present invention described above are denoted by the same reference numerals, and the components shown in FIGS. Reference is made to the description mentioned in the first embodiment of the invention.
  • the temperature detector 250 is provided in the housing 120 to detect an internal temperature of the housing 120.
  • the temperature detector 250 is provided with a temperature sensing rod 251 provided inside the housing 120 and the outside of the housing 120, but connected to the temperature sensing rod 251 to detect the temperature sensing rod ( And a temperature sensor 252 for detecting the temperature of 251.
  • the temperature sensor 252 may be mounted on the above-described printed circuit board 210 and electrically connected to the controller 190 and the like.
  • the controller 190 may lower the temperature inside the housing 120 by driving a cooling fan (not shown) when the temperature detected by the temperature sensor 252 is greater than or equal to the set temperature.
  • FIG. 14 is a schematic cross-sectional view of a high intensity focused ultrasound generating apparatus according to a fifth embodiment of the present invention.
  • the linear guide (see 150 of FIG. 9) is deleted, and components are added to the driving unit 130. Except as described above, since it is the same as the first embodiment of the present invention, only the driving unit 130 will be described below. In addition, the same components as those of the first embodiment of the present invention described above are given the same reference numerals, and the components shown in FIGS. Reference is made to the description mentioned in the first embodiment of the invention.
  • the drive unit 130 includes a top and bottom guide rails 133 having a support bracket 132 to which the first linear motor 131a, which is mentioned in the first embodiment of the present invention, is fixed and movable up and down, and a support.
  • the bracket 132 may further include a second driving unit 134 for moving up and down.
  • the second drive unit 134 may include a first rotary motor 134a provided outside the housing 120, a pinion 134b axially coupled to the first rotary motor 134a, and a support bracket ( It may include a rack (134c) provided in the 132 and gear meshing to the pinion (134b).
  • the first linear motor 131a is moved in the vertical direction along the vertical guide rail 133 by the driving of the first rotating motor 134a, and the prefocus ultrasound transducer 110 provided therewith is also moved in the vertical direction. During this movement, the focusing line of the focused ultrasound transducer 110 is positioned correctly to treat the affected area.
  • the focused ultrasound transducer 110 treats the affected area.
  • FIG. 15 is a schematic cross-sectional view of a high intensity focused ultrasound generating apparatus according to a sixth embodiment of the present invention.
  • the high intensity focused ultrasound generating apparatus is the same as the first embodiment of the present invention, except that the detachable unit 260 is added as shown in FIG. 15, Hereinafter, only the removal unit 260 is demonstrated.
  • the same components as those of the first embodiment of the present invention described above are given the same reference numerals, and the components shown in FIGS. Reference is made to the description mentioned in the first embodiment of the invention.
  • the detachable unit 260 is provided between the focused ultrasound transducer 110 and the drive unit 130 and serves to detachably attach the focused ultrasound transducer 110 to the drive unit 130.
  • the attachment / detachment unit 260 may include a first magnet 261 provided on the slider 153 of the focused ultrasound transducer 110 and a moving bar of the drive unit 130 so as to correspond to the first magnet 261. It may include a second magnet 262 provided in the 131b and the attraction force acts on the first magnet 261.
  • the slider 153 and the driving unit 130 of the focused ultrasound transducer 110 move by the attraction force of the first and second magnets 261 and 262.
  • the attraction force of the first and second magnets 261 and 262 is released by external force and separated from each other.
  • FIG. 16 is a schematic view of a high intensity focused ultrasound generating apparatus according to a seventh embodiment of the present invention, where (a) is a sectional view and (b) is a sectional view of a handle separated from the housing.
  • FIG. 17 schematically illustrates a focused ultrasound transducer of the high intensity focused ultrasound generator of FIG. 16, wherein (a) is a plan view and (b) is a sectional view.
  • the shape change of the support 2152 of the focused ultrasound transducer 110 and the ultrasound transducer for image acquisition 280 is the same as that of the sixth embodiment of the present invention except that the shape of the housing 2120 and the handle 2140 is changed accordingly, the pre-concentrated ultrasound transducer 110 in the following Only the support 2152 and the ultrasound transducer 280 for image acquisition will be described.
  • the same components as those of the sixth embodiment of the present invention described above are denoted by the same reference numerals, and the components of FIG. 16 that are not separately denoted by FIG. 15 and the sixth embodiment of the present invention described above. See description mentioned in the example.
  • a second opening 270 is further formed on the support 2152 of the focused ultrasound transducer 110.
  • the ultrasound transducer 280 for image acquisition may be provided in the housing 2120 or the handle 2140 to acquire an image through the second opening 270.
  • the ultrasound transducer 280 for image acquisition is provided in the handle 2140, and may be removed together when the handle 2140 is removed through the detachable unit 260 described above in the housing 2120. Therefore, when replacing the focused ultrasound transducer 110 or the housing 2120, the expensive image acquisition ultrasound transducer 280 can be maintained as it is in the handle 2140.
  • FIG. 18 is a schematic view of a high intensity focused ultrasound generating apparatus according to an eighth embodiment of the present invention, where (a) is a longitudinal cross-sectional view from the front and (b) is a longitudinal cross-sectional view from the side.
  • the high intensity focused ultrasound generating apparatus is the same as the first embodiment of the present invention, except that the laser oscillator 290 is added as shown in FIG. 18, Hereinafter, only the laser oscillator 290 will be described.
  • the same components as those of the first embodiment of the present invention described above are designated by the same reference numerals, and the components of FIG. Reference is made to the description mentioned in the first embodiment of.
  • the laser oscillator 290 is provided at both the front end of the handle 140 and the rear end of the handle 140 to oscillate the laser for positioning in a point or line at the treatment position. Thus, the operator can correctly identify the treatment location of the affected area.
  • FIG. 19 is a schematic view of a handle of a high intensity focused ultrasound generating apparatus according to a ninth embodiment of the present invention, where (a) is a cross-sectional view and (b) is a conceptual diagram of a heat exchanger mounted to the handle.
  • the high intensity focused ultrasound generator according to the ninth embodiment of the present invention is the same as the first embodiment of the present invention, except that the second cooling unit 310 is added, as shown in FIG. 19. Therefore, only the second cooling unit 310 will be described below.
  • the same components as those of the first embodiment of the present invention described above are assigned the same reference numerals, and the components of FIG. Reference is made to the description mentioned in the first embodiment of.
  • the second cooling unit 310 is provided at a portion of the handle 140 in contact with the housing (120 of FIG. 9) to serve to cool the heat of the housing 120.
  • the second cooling unit 310 is provided in the handle 140 and in contact with the housing 120, the heat transfer plate 311 and the heat transfer plate 311 in contact with the heat transfer plate 311 through the circulation of the internal cooling water 311 Heat exchanger 312 for exchanging heat. Therefore, heat of the housing 120 may be introduced into the heat exchanger 312 through the heat transfer plate 311 and cooled.
  • thermoelectric element 313 may be further provided between the heat transfer plate 311 and the heat exchanger 312.
  • FIG. 20 is a schematic cross-sectional view of a handle of the high intensity focused ultrasound generating apparatus according to the tenth embodiment of the present invention.
  • the high-intensity focused ultrasound generating device is the same as the first embodiment of the present invention, except that the second cooling unit 2310 is added, as shown in FIG. 20. Therefore, only the second cooling unit 2310 will be described below.
  • the same components as those of the first embodiment of the present invention described above are assigned the same reference numerals, and the components of FIG. Reference is made to the description mentioned in the first embodiment of.
  • the second cooling unit 2310 is provided at a portion of the handle 140 in contact with the housing (120 of FIG. 9) to serve to cool the heat of the housing 120.
  • the second cooling unit 310, the heat transfer plate 2311 and the heat transfer plate 2311 and the heat transfer plate 2311 which are provided to be movable up and down on the handle 140 and the housing 120 are in close contact with each other. It may include an elastic body 2312 provided between the 140.
  • the elastic body 2312 is compressed by the fitting force, and the heat sink (162 of FIG. 9) and the heat transfer plate of the handle 140 of the housing (120 of FIG. 9). 2311 are in close contact with each other.
  • 21 is a schematic cross-sectional view of an apparatus for generating high intensity focused ultrasound waves according to an eleventh embodiment of the present invention.
  • the first linear motor 3131a is disposed in the housing 3120. It is spaced apart and has a feature provided by the fixing bracket 3132 on the upper portion of the housing 3120, the support 3321 of the focused ultrasound transducer 110 to be connected to the moving bar (3131b) of the first linear motor (3131a). ) Penetrates the upper end of the housing 3120, and a movement path 3121 of the support 3315 is formed at the upper end of the housing 3120.
  • the support bar 3131b is moved in the front-rear direction while the support bar 3131b is moved in the front-rear direction along the movement path 3121. During this movement, the focused ultrasound transducer 110 treats the affected part.
  • first linear motor 3131a may be provided in the upper space of the housing 3120, it may be useful when there is a spatial constraint in the longitudinal direction of the device.
  • FIG. 22 is a schematic view showing a high intensity focused ultrasound generator according to a twelfth embodiment of the present invention, (a) is a longitudinal cross-sectional view as seen from the side, and (b) is a longitudinal cross-sectional view as seen from the front.
  • the high intensity focused ultrasound generator according to the twelfth embodiment of the present invention is a high intensity focused ultrasound generator configured to focus in a linear form, as shown in FIG. 22, a housing 4120 and a focused ultrasound transducer ( 110, and a drive unit 4130.
  • the housing 4120 may be filled with an ultrasonic transfer medium (not shown) therein and may have a sealed structure to prevent the ultrasonic transfer medium from leaking.
  • the focused ultrasound transducer 110 is provided to be movable inside the housing 4120 and is the same as the description of the focused ultrasound transducer according to the embodiments of the present invention.
  • the driving unit 4130 serves to move the focused ultrasound transducer 110.
  • the driving unit 4130 will be described in more detail.
  • the drive unit 4130 is provided with a focused ultrasound transducer 110 and is disposed in the left and right directions on the housing 4120 to form a center of rotation of the focused ultrasound transducer 110 and the outside of the housing 4120. It may include a third drive unit (4132) for applying a rotational force to the pre-focus ultrasound transducer 110 on the basis of the rotation axis (4131).
  • the third drive unit 4132 includes a second rotary motor 4132a provided outside the housing 4120, a first pulley 4132b axially coupled to the second rotary motor 4132a, and a rotation shaft.
  • a second pulley 4132d axially coupled to 4131 and a connection belt 4132c connecting the first and second pulleys 4132b and 4132d may be included.
  • the first pulley 4132b is rotated by the driving of the second rotary motor 4132a, and the second pulley 4132d connected to the first pulley 4132b and the connection belt 4132c is rotated simultaneously.
  • the transducer 110 is rotated clockwise or counterclockwise with respect to the rotation axis 4131. During this rotation, the focused ultrasound transducer 110 treats the affected area.
  • FIG. 23 schematically shows a high intensity focused ultrasound generating apparatus according to a thirteenth embodiment of the present invention, where (a) is a longitudinal cross-sectional view as seen from the side and (b) is a longitudinal cross-sectional view as seen from the front.
  • High-intensity focused ultrasound generator is a high-intensity focused ultrasound generator that focuses in a linear form, as shown in Figure 23, the housing 5120 and the focused ultrasound transducer ( 110, and a drive unit 5130.
  • the housing 5120 may be filled with an ultrasonic transfer medium (not shown) therein, and may have a sealed structure to prevent the ultrasonic transfer medium from leaking.
  • the focused ultrasound transducer 110 is provided to be movable inside the housing 5120 and is the same as the description of the focused ultrasound transducer according to the embodiments of the present invention.
  • the driving unit 5130 serves to move the focused ultrasound transducer 110.
  • the driving unit 5130 will be described in more detail.
  • the driving unit 5130 includes a preconcentrated ultrasound transducer 110 and is disposed in the left and right directions on the housing 5120 to form a center of rotation of the preconcentrated ultrasound transducer 110 and the exterior of the housing 5120. It may include a third driving unit (5132) is provided in the to apply a rotational force to the pre-focus ultrasound transducer 110, based on the rotation axis (5131).
  • the third driving unit 5152 is provided on the outside of the housing 5120 and is coupled to the rotating shaft 5131, and is provided on the housing 5120 and the third rotating motor 5152a. It may include a support bearing (5132b) for rotatably supporting the motor shaft of the.
  • the focused ultrasound transducer 110 treats the affected area.
  • FIG. 24 is a schematic cross-sectional view of a high intensity focused ultrasound generating apparatus according to a fourteenth embodiment of the present invention.
  • the high intensity focused ultrasound generator according to the fourteenth embodiment of the present invention is a high intensity focused ultrasound generator that focuses in a linear form, as shown in FIG. 24, a housing 6120 and a focused ultrasound transducer ( 110, and a drive unit 6130.
  • the housing 6120 may be filled with an ultrasonic transfer medium (not shown) therein, and may have a sealed structure to prevent the ultrasonic transfer medium from leaking.
  • the focused ultrasound transducer 110 is provided to be movable inside the housing 6120 and is the same as the description of the focused ultrasound transducer according to the embodiments of the present invention.
  • the driving unit 6130 serves to move the focused ultrasound transducer 110.
  • the driving unit 6130 will be described in more detail.
  • the drive unit 6130 is provided with a focused ultrasound transducer 110 and is disposed in the left and right direction in the housing 6120 to form a rotational center 6131, which forms the center of rotation of the focused ultrasound transducer 110, and the outside of the housing 6120. It may include a third driving unit 6132 is provided on the rotational axis (6131) to apply a rotational force to the pre-focused ultrasound transducer (110).
  • the third drive unit 6132 may include a fourth rotary motor 6132a provided at the outside of the housing 6120, a first pressing protrusion 6132b provided at the rotary shaft 6131, and a first pressing protrusion ( One end is rotatably provided at the end of 6132b) and the other end is axially coupled to the fourth rotary motor 6132a to transfer the rotational force of the fourth rotary motor 6132a to the rotary shaft 6131 together with the first pressing protrusion 6132b. It may include a power transmission member (6132c) for transmitting.
  • the power transmitted to the power transmitting member 6132c moves the end of the first pressurizing protrusion 6132b in an arc direction, and is provided with a preconcentrated ultrasonic transducer.
  • Reference numeral 110 is rotated in a clockwise or counterclockwise direction with respect to the rotation axis 6131. During this rotation, the focused ultrasound transducer 110 treats the affected area.
  • reference numeral 6133 which is not described, detects the amount of rotation by the proximity sensor.
  • 25 is a schematic cross-sectional view of a high intensity focused ultrasound generator according to a fifteenth embodiment of the present invention.
  • the high intensity focused ultrasound generator according to the fifteenth embodiment of the present invention is a high intensity focused ultrasound generator that focuses in a linear form, as shown in FIG. 25, a housing 7120 and a focused ultrasound transducer ( 110, and a drive unit 7130.
  • the housing 7120 may be filled with an ultrasonic transfer medium (not shown) therein and may have a sealed structure to prevent the ultrasonic transfer medium from leaking.
  • the focused ultrasound transducer 110 is provided to be movable inside the housing 7120, and thus the detailed description thereof will be omitted because it is the same as the description of the focused ultrasound transducer according to the embodiments of the present invention.
  • the driving unit 7130 serves to move the focused ultrasound transducer 110.
  • the driving unit 7130 will be described in more detail.
  • the drive unit 7130 is provided with a focused ultrasound transducer 110 and is disposed in the left and right directions on the housing 7120 to form a rotational center 7131, which forms the center of rotation of the focused ultrasound transducer 110, and the outside of the housing 7120. It may include a third driving unit 7122 is provided in the to apply a rotational force to the pre-focused ultrasound transducer 110 on the basis of the rotation axis (7131).
  • the third drive part 7122 includes a second linear motor 7122a provided outside the housing 7120, a moving bar 7122b moved forward and backward by the second linear motor 7122a, and One end may be provided on the rotation shaft 7131 and the other end may include a second pressing protrusion 7122c rotatably provided on the movement bar 7122b.
  • the third drive part 7122 includes a hinge pin 7122d for rotatably providing the moving bar 7122b to the second pressing protrusion 7252c and a hinge pin formed at an end of the second pressing protrusion 7122c. It may include a hinge hole (7132e) is inserted (7132d). In particular, while the other end of the second pressing protrusion (7132c) is moved in a circular arc relative to the rotation axis (7131), the hinge hole (7132e) is the second pressing protrusion (7132c) so that the moving bar (7132b) smoothly moves in the front and rear directions. It may be formed long in the longitudinal direction of the).
  • an end portion of the second pressing protrusion 7122c hinged thereto is moved in the arc direction and is provided with a preconcentrated ultrasonic transducer ( 110 is rotated in a clockwise or counterclockwise direction with respect to the rotation axis 7171. During this rotation, the focused ultrasound transducer 110 treats the affected area.
  • reference numeral "7133" which is not described, detects the amount of rotation by the proximity sensor.
  • the focused ultrasound transducer and the high intensity focused ultrasound generator including the same may have the following effects.
  • the ultrasonic wave is focused in a linear form as it includes a hollow semi-cylindrical therapeutic piezoelectric element, the procedure time is reduced and the treatment effect is maximized compared to the existing focused point. Can be simplified.
  • the ultrasonic transducer is automatically moved within the housing by the driving unit, so that the housing may be moved to any point on the target site (for example, the affected part) without the user manually moving the housing.
  • the focus of the ultrasonic transducer is automatically moved to a plurality of targets or long targets, thereby providing convenience of use.
  • the present invention relates to an ultrasonic transducer and a high-intensity focused ultrasound generating apparatus including the same, which can be applied to medical devices and the like, and thus has industrial applicability.

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Abstract

La présente invention concerne un transducteur d'ultrasons focalisés en ligne pour réduire un temps de procédure, maximiser les effets d'une procédure, et simplifier la configuration de celui-ci en focalisant des ondes ultrasonores sous forme de ligne au lieu de focaliser les ondes ultrasonores sur un point. À cette fin, le transducteur d'ultrasons focalisés en ligne de la présente invention comprend : un élément piézo-électrique pour traitement qui est le transducteur d'ultrasons focalisés en ligne pour focaliser les ondes ultrasonores en forme de ligne et la forme d'un demi-cylindre creux ; une première unité d'électrode disposée sur une surface interne de l'élément piézo-électrique pour traitement ; et une deuxième unité d'électrode qui est disposée sur une surface externe de l'élément piézo-électrique pour traitement et correspond à la première unité d'électrode.
PCT/KR2013/011279 2013-02-25 2013-12-06 Transducteur d'ultrasons focalisés en ligne et générateur d'ultrasons focalisés en ligne de haute intensité comprenant celui-ci Ceased WO2014129732A1 (fr)

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US14/770,022 US10363440B2 (en) 2013-02-25 2013-12-06 Line-focused ultrasound transducer and high-intensity line focused ultrasound generator including same
CN201380075605.0A CN105228699A (zh) 2013-02-25 2013-12-06 线聚焦超声波换能器及包括其的高强度线聚焦超声波发生装置

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KR1020130019764A KR101335476B1 (ko) 2013-02-25 2013-02-25 선집속 초음파 변환기 및 이를 포함하는 고강도 선집속 초음파 발생 장치
KR10-2013-0019764 2013-02-25

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